Felix Anthony "Milwaukee Phil" Alderisio was an American enforcer, bagman, hitman and burglar for the Chicago Outfit. He was underboss to Sam Giancana during the 1960s and boss from 1967 to his imprisonment in 1969.

The Chicago Outfit is an Italian-American organized crime syndicate or crime family based in Chicago, Illinois, which originated in the city's South Side in 1910. It is part of the larger Italian-American Mafia.